2. Have you been inaking bread during the school closure? Potassium bromate is sometimes added to bread dough to make it easier to work with. Suppose that you are given an aqueous
solution of potassiuin bromate. How could you determine if the solution is saturated or
unsaturated? (1)

Compare and contrast physical changes with chemical changes.

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line